<script setup>
import { User, Lock } from '@element-plus/icons-vue'
import { ref } from 'vue'
import { userRegisterService,userLoginService } from '@/api/user'
import { watch } from 'vue'
import { useUserStore } from '@/stores'
import { useRouter } from 'vue-router'
const isRegister = ref(false)
const formModel = ref({
  username: '',
  password: '',
  repassword: ''
})
const rules = ref({
  username:[
    {required:true,message:'请输入用户名',trigger:'blur'},
    {min:3,max:10,message:'用户名长度必须在3到10个字符之间',trigger:'blur'}
  ],
  password:[
    {required:true,message:'请输入密码',trigger:'blur'},
    {pattern:/^\S{6,15}$/,message:'密码必须是6到15位的非空字符',trigger:'blur'}
  ],
  repassword:[
    {validator:(rule,value,callback)=>{
      if(value !== formModel.value.password){
        callback(new Error('两次输入密码不一致'))
      }else{
        callback()
      }
    },trigger:'blur'},
    {required:true,message:'请再次输入密码',trigger:'blur'}
 ]
})
const form = ref()
const register = async ()=>{
  await form.value.validate()
  await userRegisterService(formModel.value)
  ElMessage.success('注册成功')
  isRegister.value = false
  formModel.value = {
    username: '',
    password: '',
    repassword: ''
  }
}

watch(isRegister,()=>{
 formModel.value = {
    username: '',
    password: '',
    repassword: ''
  }
})
const userStore = useUserStore()
const userRouter = useRouter()
const login = async ()=>{
  await form.value.validate()
  const res = await userLoginService(formModel.value)
  ElMessage.success('登录成功')
  userStore.setToken(res.data.token)
  console.log(res.data.token)
  formModel.value = {
    username: '',
    password: '',
    repassword: ''
  }
  userRouter.push('/')
}
</script>

<template>
  <el-row class="login-page">
    <el-col :span="12" class="bg"></el-col>
    <el-col :span="6" :offset="3" class="form">

    <!-- 注册页面 -->
      <el-form ref="form" size="large" autocomplete="off" v-if="isRegister" :model="formModel" :rules="rules">
        <el-form-item>
          <h1>注册</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="formModel.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            :prefix-icon="Lock"
            type="password"
            placeholder="请输入密码"
            v-model="formModel.password"
          ></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input
            :prefix-icon="Lock"
            type="password"
            placeholder="请输入再次密码"
            v-model="formModel.repassword"
          ></el-input>
        </el-form-item>
        <el-form-item>
          <el-button class="button" type="primary" auto-insert-space @click="register()">
            注册
          </el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = false">
            ← 返回
          </el-link>
        </el-form-item>
      </el-form>

      <!-- 登录页面 -->
      <el-form ref="form" size="large" autocomplete="off" :model="formModel" :rules="rules" v-else>
        <el-form-item>
          <h1>登录</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="formModel.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            name="password"
            :prefix-icon="Lock"
            type="password"
            placeholder="请输入密码"
            v-model="formModel.password"
          ></el-input>
        </el-form-item>
        <el-form-item class="flex">
          <div class="flex">
            <el-checkbox>记住我</el-checkbox>
            <el-link type="primary" :underline="false">忘记密码？</el-link>
          </div>
        </el-form-item>
        <el-form-item>
          <el-button class="button" type="primary" auto-insert-space @click="login()">
            登录
          </el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = true">
            注册 →
          </el-link>
        </el-form-item>
      </el-form>
    </el-col>
  </el-row>
</template>

<style lang="scss" scoped>
.login-page {
  height: 100vh;
  background-color: #fff;
  .bg {
    background: url('@/assets/logo2.png') no-repeat 60% center / 240px auto,
      url('@/assets/login_bg.jpg') no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }
  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;
    .title {
      margin: 0 auto;
    }
    .button {
      width: 100%;
    }
    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
  }
}
</style>
